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Explain the solubility of oxygen in water is 14.74mg/L at 0 Celsius and 7.03mg/L at 35 Celsius. Estimate the solubility at 50 Celsius.
Calculate the free energy at 25 °C for the nonstandard conditions at point B where the reaction quotient Q is 3.58 x 10^9
Consider the following balanced thermochemical equation for the decomposition of the mineral magnesite: MgCO3(s) => MgO(s) + CO2(g) ?Hrxn = 117.3 kJ What is ?H in kJ when 28.87 g of CO2 reacts with excess MgO?
Consider the following species: Ca, Br1-, Fe2+ , Cu+, Co3+. Li+. List the oxidizing agents. List the reducing agents. (Some could be both.) Which is the best oxidizing agent? Which is the best reducing agent
Barium chromate dissolved upon treatment with nitric acid forming an orange solution. Write a net ionic equation to represent the overall reaction that occurs.
The time of diffusion of lighter gas is 2 , and heavier is 3, if the mass of lighter one is 8 find out the mass of heavier.
Lewis Structure for a Nitrate Ion (NO3-1). For the correct structure of the nitrate ion, what is the bond angle from O-N-O?
evaporate more quickly: 55 mL of water in a beaker or 55 mLmof acetone in an identical beaker under identical conditions?
At 250C, the equilibrium constant Kp for the reaction PCl5(g) PCl3(g) + Cl2(g) is 1.80. Sufficient PCl5 is put into a reaction vessel to give an initial pressure of 2.74 atm at 250C. Calculate the pressure of PCl5 after the system has reached equi..
In what order would the amino acids arginine, leucine, and lysine be eluted from a Dowex-1 column at pH 10.5? (b) In what order would glutamic acid
Is 4,5-dimethyl-2,6-octadiyne chiral. f chiral, give the number(s)(from the IUPAC name) of all chirality center(s) present (increasing numberical order, separated by a comma, no space).
calculate the equilibrium pressure of N2O4(g) and NO2(g). (c) What percentage (by moles) of the original N2O4(g) is dissociated at the new equilibrium position (total pressure = 1.00 atm)?
task 1 write balanced equations to show how ethyl ethanoate can be made from a and acid halide and b an acid
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